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Hello everyone.

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In this demo, I'm going to show you how to use the pipe command and the grep command.

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First, let's start with the pipe command.

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The pipe command helps to use two or more commands as one command in order to retrieve and obtain one

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output.

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Let's show some examples how to use commands with pipe command.

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I'm going to type first the the command cat slash Etsy slash bast WD space, then the pipe, then the

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second command is list.

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As we can see here, this is the first command.

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Then the pipe, then list hit enter.

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And I'm going to do another example here, the cat slash Etsy slash shadow, then space pipe, then

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more hit enter.

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As we can see here, we get one output.

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I'm going to do another example here, slash bin, then pipe and and I'm going to use the command wc

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wc print new line world and pipe counts for each file.

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And also I'm going to use the option dash L in order to get the number of lines hit.

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Enter.

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As we can see here, we get one output.

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Let's do another example here for the file month.

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So the first command is cat month.

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That takes then pipe.

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In this case I'm going to use the command WC then dash C in order to get the number of characters I

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hit enter.

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As you can see here, we get one output I'm going to do this time cat for this file f dot txt and a

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pipe then wc dash w so the dash w this option gets the number of volts and hit enter.

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Now let's move on to another example.

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I'm going to show the content of the F2 dot txt.

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As you can see over here.

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Now I'm going to use the hit command dash n.

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The number means that I would like to show the first three lines and the file f2 dot txt and also at

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the same time I would like to use the pipe then tell dash n the number one.

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So what I'm going to tell the system since we have the pipe here, I'm not going to show the first three

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lines.

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I'm going to show the last line.

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Here, for example.

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Here.

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The first command shows the first three lines, one, 20 and two, but with the tail dash n one.

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I'm going to show only the last line here.

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I hit enter.

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As you can see here, we got the last line if I'm going to change the number here to two.

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So let's take the first command here.

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I'm going to show the first three lines.

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However, with the pipe tell dash n, then the number two.

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It means that I would like to show the last two lines and I hit enter.

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As we can see here, we get the last two lines here.

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Now let's move on to the next command.

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The Grip Command.

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Grip.

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Command prints, lines matching a pattern.

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For example, grip.

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Then know log n for the file ATC slash base deputy.

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Perfect.

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I'm not going to use the pipe here.

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I just want to get the outcome first.

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Then we're going to use the pipe to compare the outcome between this outcome and the next outcome.

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So I'm going to hit enter.

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As we can see here, we get a log outcome, as we can see here, because we didn't use the pipe with

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another command.

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So I'm going to use the same command here.

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Then space pipe.

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WC then dash l in order to get the number of lines I hit enter.

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As we can see here, we get totally different output are going to do another example also here cat number.

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First I'm going to run the the command.

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I'm not going to use the pipe command here.

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Hit enter.

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As we can see here, we get the numbers from 1 to 20.

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Now, I'm going to use the pipe command.

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Then I'm going to use sort.

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And I hit enter, as we can see over here.

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We sorted the the the content of the file based on, on the number.

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It starts from one, then two and so on.

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If I will do cat.

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A month.

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I'm going to do this example, the month then and the pipe.

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Then I would like to grab a and I hit enter.

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As we can see over here, we got the outcomes that has the what?

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The letter A.

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If I will do the same thing but to a different letter grip P for example.

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So with the P, I'm going to get outcome with letter B, if I will use the head command head minus N,

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then number five, it means that I would like to show the first five lines in the file math dot txt,

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then the pipe sort.

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Hit enter.

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So we get the first five lines.

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Then with the pipe, we sort them based on the alphabets.

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We'll do the last example here.

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Tel minus N, then number three, I'm going to do it for the month, the txt file, then the pipe,

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then sort.

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Command dash r the recursive then hit enter.

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As we can see here, we get an outcome based on.

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The reverse way for the sort command.

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Thus concludes our session.

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Thank you and see you in the next lesson.